/* Custom CSS for Cycling Calories Calculator */

/* Loading animations */
@keyframes pulse-primary {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: block;
}

.htmx-request.htmx-indicator {
    display: block;
}

/* Enhanced drag and drop styling */
.drag-over {
    border-color: hsl(var(--p)) !important;
    background-color: hsl(var(--p) / 0.1) !important;
    animation: pulse-primary 1.5s ease-in-out infinite;
}

/* Chart container improvements */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    padding: 1rem;
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: hsl(var(--b2));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: hsl(var(--bc) / 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: hsl(var(--bc) / 0.5);
}

/* Enhanced stats cards */
.stat {
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.stat:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: hsl(var(--bc) / 0.1);
}

/* Weather card gradient animation */
.weather-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Navigation enhancement */
.navbar {
    backdrop-filter: blur(10px);
    border-bottom: 1px solid hsl(var(--bc) / 0.1);
}

/* Enhanced file upload visual feedback */
.file-upload-success {
    animation: file-success 0.5s ease-out;
}

@keyframes file-success {
    0% {
        transform: scale(1);
        background-color: hsl(var(--su) / 0.1);
    }
    50% {
        transform: scale(1.02);
        background-color: hsl(var(--su) / 0.2);
    }
    100% {
        transform: scale(1);
        background-color: hsl(var(--su) / 0.1);
    }
}

/* Chart loading state */
.chart-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    background: hsl(var(--b2));
    border-radius: 0.5rem;
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Enhanced form controls */
.form-control input:focus,
.form-control select:focus {
    border-color: hsl(var(--p));
    box-shadow: 0 0 0 3px hsl(var(--p) / 0.1);
    outline: none;
}

/* Badge animations */
.badge {
    transition: all 0.2s ease;
}

.badge:hover {
    transform: scale(1.05);
}

/* Forecast cards enhancement */
.forecast-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.forecast-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Mobile responsiveness improvements */
@media (max-width: 768px) {
    .chart-container {
        height: 250px;
        padding: 0.5rem;
    }
    
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .container {
        padding: 0.5rem !important;
    }
    
    .stat {
        padding: 1rem;
    }
}

/* Dark mode specific enhancements */
[data-theme="dark"] .chart-container {
    background: rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .navbar {
    background: rgba(0, 0, 0, 0.8);
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .btn,
    #upload,
    .dropdown {
        display: none !important;
    }
    
    .chart-container {
        height: 200px;
        break-inside: avoid;
    }
    
    body {
        background: white !important;
    }
}

/* Custom tooltip styles for charts */
.chartjs-tooltip {
    background: hsl(var(--b1)) !important;
    color: hsl(var(--bc)) !important;
    border: 1px solid hsl(var(--bc) / 0.2) !important;
    border-radius: 0.5rem !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
}

/* Enhanced error states */
.alert-error {
    animation: error-shake 0.5s ease-in-out;
}

@keyframes error-shake {
    0%, 20%, 40%, 60%, 80%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
}

/* Loading spinner customization */
.loading {
    animation-duration: 1s;
}

/* Enhanced section spacing */
section {
    scroll-margin-top: 100px;
}

/* Custom focus styles for accessibility */
*:focus {
    outline: 2px solid hsl(var(--p));
    outline-offset: 2px;
}

.btn:focus,
.input:focus,
.select:focus {
    outline: none;
    box-shadow: 0 0 0 3px hsl(var(--p) / 0.3);
}

/* Enhanced card shadows */
.card {
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Weather icon animations */
.weather-icon {
    animation: weather-float 3s ease-in-out infinite;
}

@keyframes weather-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Enhanced text selection */
::selection {
    background-color: hsl(var(--p) / 0.3);
    color: hsl(var(--pc));
}